Lecture 281 Unit 4 Lecture 28 Introduction to Quadratics Introduction to Quadratics.
1.10 Homework Solving Quadratics Part 2mathlshs.weebly.com/uploads/1/3/0/4/13041727/1.10... ·...
Transcript of 1.10 Homework Solving Quadratics Part 2mathlshs.weebly.com/uploads/1/3/0/4/13041727/1.10... ·...
2 Terms (Binomials) 3 Terms (Trinomials) 1. ________________________ 1. ________________________ 2. ________________________ 2. ________________________ 3. ________________________
Homework 1.10 Solving Quadratics Part 2 Answer the following questions about solving quadratics.
1. What are the solving methods to solve for quadratic equations? Fill in the methods in the diagram below. 2. In order to solve for x by using the taking square root method, you must ________________________. Find the solutions of the quadratics.
3. !! + 4 = 0 2. ! + 3 ! + 6 = 18 3. 2! + 6 ! − 8 = 24
4. !! + 21 = 5 5. 3 ! + 4 ! = −9 6. 2!! + 338 = 0
7. 4 ! + 5 ! = −64 8. 2!! + 338 = 0 9. −9!! = 243
10. The tallest building in the USA is in Chicago, Illinois. It is 1450 ft. tall. The equation of rise and fall is represented by ! = −16!! + 1450. How long would it take a penny to drop from the top of the building to the ground?
2 Terms (Binomials) 3 Terms (Trinomials) 1. GCF Factoring 1. GCF Factoring 2. Difference of Squares 2. Factoring Trinomials 3. Taking the Square Root
Homework 1.10 Solving Quadratics Part 2 Solutions Answer the following questions about solving quadratics.
1. What are the solving methods to solve for quadratic equations? Fill in the methods in the diagram below. 2. In order to solve for x by using the taking square root method, you must isolate the quadratic term. Find the solutions of the quadratics.
3. !! + 4 = 0 2. ! + 3 ! + 6 = 18 3. 2! + 6 ! − 8 = 24
4. !! + 21 = 5 5. 3 ! + 4 ! = −9 6. 2!! + 338 = 0
7. 4 ! + 5 ! = −64 8. 2!! + 338 = 0 9. −9!! = 243
10. The tallest building in the USA is in Chicago, Illinois. It is 1450 ft. tall. The equation of rise and fall is represented by ! = −16!! + 1450. How long would it take a penny to drop from the top of the building to the ground? ! ≈ 9.52 !"#$%&!
! = 2!, ! = −2! ! = −3+ 2 3, ! = −3− 2 3
! = −3+ 2 2, ! = −3− 2 2
! = 4!, ! = −4! ! = −4+ ! 3, ! = −4− ! 3
! = 13!, ! = −13!
! = −5+ 4!, ! = −5− 4!
! = 3! 3, ! = −3! 3
! = 13!, ! = −13!